* {
    margin: 0;
    padding: 0;
}
 ul {
     list-style-type: none;
 }
 a {
     text-decoration: none;
     color: #333;
 }

 i,em {
     font-style: normal;
 }

header {
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    height: 100px;
    border-bottom: 2px solid #f40;
    background-color: #fff;
}

header .ico {
    width: 50px;
    height: 50px;
    
}
header .ico img {
    width: 100%;
    height: 100%;
}

.nav ul {
    display: flex;
}

.nav ul li {
    margin: 0 40px;
}

.nav ul li a {
    font-size: 18px;
}
.quit {
    margin-left: 20px;
}

